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-rw-r--r--upload-pack.c154
1 files changed, 89 insertions, 65 deletions
diff --git a/upload-pack.c b/upload-pack.c
index 87c6722ea5..540778d1dd 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -3,6 +3,8 @@
#include "refs.h"
#include "pkt-line.h"
#include "sideband.h"
+#include "repository.h"
+#include "object-store.h"
#include "tag.h"
#include "object.h"
#include "commit.h"
@@ -22,13 +24,14 @@
#include "quote.h"
#include "upload-pack.h"
#include "serve.h"
+#include "commit-graph.h"
+#include "commit-reach.h"
/* Remember to update object flag allocation in object.h */
#define THEY_HAVE (1u << 11)
#define OUR_REF (1u << 12)
#define WANTED (1u << 13)
#define COMMON_KNOWN (1u << 14)
-#define REACHABLE (1u << 15)
#define SHALLOW (1u << 16)
#define NOT_SHALLOW (1u << 17)
@@ -64,6 +67,7 @@ static const char *pack_objects_hook;
static int filter_capability_requested;
static int allow_filter;
+static int allow_ref_in_want;
static struct list_objects_filter_options filter_options;
static void reset_timeout(void)
@@ -310,7 +314,7 @@ static int got_oid(const char *hex, struct object_id *oid)
if (!has_object_file(oid))
return -1;
- o = parse_object(oid);
+ o = parse_object(the_repository, oid);
if (!o)
die("oops (%s)", oid_to_hex(oid));
if (o->type == OBJ_COMMIT) {
@@ -334,64 +338,16 @@ static int got_oid(const char *hex, struct object_id *oid)
return 0;
}
-static int reachable(struct commit *want)
-{
- struct prio_queue work = { compare_commits_by_commit_date };
-
- prio_queue_put(&work, want);
- while (work.nr) {
- struct commit_list *list;
- struct commit *commit = prio_queue_get(&work);
-
- if (commit->object.flags & THEY_HAVE) {
- want->object.flags |= COMMON_KNOWN;
- break;
- }
- if (!commit->object.parsed)
- parse_object(&commit->object.oid);
- if (commit->object.flags & REACHABLE)
- continue;
- commit->object.flags |= REACHABLE;
- if (commit->date < oldest_have)
- continue;
- for (list = commit->parents; list; list = list->next) {
- struct commit *parent = list->item;
- if (!(parent->object.flags & REACHABLE))
- prio_queue_put(&work, parent);
- }
- }
- want->object.flags |= REACHABLE;
- clear_commit_marks(want, REACHABLE);
- clear_prio_queue(&work);
- return (want->object.flags & COMMON_KNOWN);
-}
-
static int ok_to_give_up(void)
{
- int i;
+ uint32_t min_generation = GENERATION_NUMBER_ZERO;
if (!have_obj.nr)
return 0;
- for (i = 0; i < want_obj.nr; i++) {
- struct object *want = want_obj.objects[i].item;
-
- if (want->flags & COMMON_KNOWN)
- continue;
- want = deref_tag(want, "a want line", 0);
- if (!want || want->type != OBJ_COMMIT) {
- /* no way to tell if this is reachable by
- * looking at the ancestry chain alone, so
- * leave a note to ourselves not to worry about
- * this object anymore.
- */
- want_obj.objects[i].item->flags |= COMMON_KNOWN;
- continue;
- }
- if (!reachable((struct commit *)want))
- return 0;
- }
- return 1;
+ return can_all_from_reach_with_flag(&want_obj, THEY_HAVE,
+ COMMON_KNOWN, oldest_have,
+ min_generation);
}
static int get_common_commits(void)
@@ -568,7 +524,7 @@ static int get_reachable_list(struct object_array *src,
if (parse_oid_hex(namebuf, &sha1, &p) || *p != '\n')
break;
- o = lookup_object(sha1.hash);
+ o = lookup_object(the_repository, sha1.hash);
if (o && o->type == OBJ_COMMIT) {
o->flags &= ~TMP_MARK;
}
@@ -658,7 +614,7 @@ static void send_shallow(struct commit_list *result)
if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) {
packet_write_fmt(1, "shallow %s",
oid_to_hex(&object->oid));
- register_shallow(&object->oid);
+ register_shallow(the_repository, &object->oid);
shallow_nr++;
}
result = result->next;
@@ -695,14 +651,14 @@ static void send_unshallow(const struct object_array *shallows)
add_object_array(object, NULL, &extra_edge_obj);
}
/* make sure commit traversal conforms to client */
- register_shallow(&object->oid);
+ register_shallow(the_repository, &object->oid);
}
}
static void deepen(int depth, int deepen_relative,
struct object_array *shallows)
{
- if (depth == INFINITE_DEPTH && !is_repository_shallow()) {
+ if (depth == INFINITE_DEPTH && !is_repository_shallow(the_repository)) {
int i;
for (i = 0; i < shallows->nr; i++) {
@@ -737,6 +693,7 @@ static void deepen_by_rev_list(int ac, const char **av,
{
struct commit_list *result;
+ close_commit_graph(the_repository);
result = get_shallow_commits_by_rev_list(ac, av, SHALLOW, NOT_SHALLOW);
send_shallow(result);
free_commit_list(result);
@@ -782,7 +739,8 @@ static int send_shallow_list(int depth, int deepen_rev_list,
if (shallows->nr > 0) {
int i;
for (i = 0; i < shallows->nr; i++)
- register_shallow(&shallows->objects[i].item->oid);
+ register_shallow(the_repository,
+ &shallows->objects[i].item->oid);
}
}
@@ -798,7 +756,7 @@ static int process_shallow(const char *line, struct object_array *shallows)
struct object *object;
if (get_oid_hex(arg, &oid))
die("invalid shallow line: %s", line);
- object = parse_object(&oid);
+ object = parse_object(the_repository, &oid);
if (!object)
return 1;
if (object->type != OBJ_COMMIT)
@@ -924,7 +882,7 @@ static void receive_needs(void)
if (allow_filter && parse_feature_request(features, "filter"))
filter_capability_requested = 1;
- o = parse_object(&oid_buf);
+ o = parse_object(the_repository, &oid_buf);
if (!o) {
packet_write_fmt(1,
"ERR upload-pack: not our ref %s",
@@ -1075,6 +1033,8 @@ static int upload_pack_config(const char *var, const char *value, void *unused)
return git_config_string(&pack_objects_hook, var, value);
} else if (!strcmp("uploadpack.allowfilter", var)) {
allow_filter = git_config_bool(var, value);
+ } else if (!strcmp("uploadpack.allowrefinwant", var)) {
+ allow_ref_in_want = git_config_bool(var, value);
}
return parse_hide_refs_config(var, value, "uploadpack");
}
@@ -1114,6 +1074,7 @@ void upload_pack(struct upload_pack_options *options)
struct upload_pack_data {
struct object_array wants;
+ struct string_list wanted_refs;
struct oid_array haves;
struct object_array shallows;
@@ -1135,12 +1096,14 @@ struct upload_pack_data {
static void upload_pack_data_init(struct upload_pack_data *data)
{
struct object_array wants = OBJECT_ARRAY_INIT;
+ struct string_list wanted_refs = STRING_LIST_INIT_DUP;
struct oid_array haves = OID_ARRAY_INIT;
struct object_array shallows = OBJECT_ARRAY_INIT;
struct string_list deepen_not = STRING_LIST_INIT_DUP;
memset(data, 0, sizeof(*data));
data->wants = wants;
+ data->wanted_refs = wanted_refs;
data->haves = haves;
data->shallows = shallows;
data->deepen_not = deepen_not;
@@ -1149,6 +1112,7 @@ static void upload_pack_data_init(struct upload_pack_data *data)
static void upload_pack_data_clear(struct upload_pack_data *data)
{
object_array_clear(&data->wants);
+ string_list_clear(&data->wanted_refs, 1);
oid_array_clear(&data->haves);
object_array_clear(&data->shallows);
string_list_clear(&data->deepen_not, 0);
@@ -1165,7 +1129,7 @@ static int parse_want(const char *line)
die("git upload-pack: protocol error, "
"expected to get oid, not '%s'", line);
- o = parse_object(&oid);
+ o = parse_object(the_repository, &oid);
if (!o) {
packet_write_fmt(1,
"ERR upload-pack: not our ref %s",
@@ -1185,6 +1149,34 @@ static int parse_want(const char *line)
return 0;
}
+static int parse_want_ref(const char *line, struct string_list *wanted_refs)
+{
+ const char *arg;
+ if (skip_prefix(line, "want-ref ", &arg)) {
+ struct object_id oid;
+ struct string_list_item *item;
+ struct object *o;
+
+ if (read_ref(arg, &oid)) {
+ packet_write_fmt(1, "ERR unknown ref %s", arg);
+ die("unknown ref %s", arg);
+ }
+
+ item = string_list_append(wanted_refs, arg);
+ item->util = oiddup(&oid);
+
+ o = parse_object_or_die(&oid, arg);
+ if (!(o->flags & WANTED)) {
+ o->flags |= WANTED;
+ add_object_array(o, NULL, &want_obj);
+ }
+
+ return 1;
+ }
+
+ return 0;
+}
+
static int parse_have(const char *line, struct oid_array *haves)
{
const char *arg;
@@ -1210,6 +1202,8 @@ static void process_args(struct packet_reader *request,
/* process want */
if (parse_want(arg))
continue;
+ if (allow_ref_in_want && parse_want_ref(arg, &data->wanted_refs))
+ continue;
/* process have line */
if (parse_have(arg, &data->haves))
continue;
@@ -1277,7 +1271,7 @@ static int process_haves(struct oid_array *haves, struct oid_array *common)
oid_array_append(common, oid);
- o = parse_object(oid);
+ o = parse_object(the_repository, oid);
if (!o)
die("oops (%s)", oid_to_hex(oid));
if (o->type == OBJ_COMMIT) {
@@ -1352,18 +1346,37 @@ static int process_haves_and_send_acks(struct upload_pack_data *data)
return ret;
}
+static void send_wanted_ref_info(struct upload_pack_data *data)
+{
+ const struct string_list_item *item;
+
+ if (!data->wanted_refs.nr)
+ return;
+
+ packet_write_fmt(1, "wanted-refs\n");
+
+ for_each_string_list_item(item, &data->wanted_refs) {
+ packet_write_fmt(1, "%s %s\n",
+ oid_to_hex(item->util),
+ item->string);
+ }
+
+ packet_delim(1);
+}
+
static void send_shallow_info(struct upload_pack_data *data)
{
/* No shallow info needs to be sent */
if (!data->depth && !data->deepen_rev_list && !data->shallows.nr &&
- !is_repository_shallow())
+ !is_repository_shallow(the_repository))
return;
packet_write_fmt(1, "shallow-info\n");
if (!send_shallow_list(data->depth, data->deepen_rev_list,
data->deepen_since, &data->deepen_not,
- &data->shallows) && is_repository_shallow())
+ &data->shallows) &&
+ is_repository_shallow(the_repository))
deepen(INFINITE_DEPTH, data->deepen_relative, &data->shallows);
packet_delim(1);
@@ -1418,6 +1431,7 @@ int upload_pack_v2(struct repository *r, struct argv_array *keys,
state = FETCH_DONE;
break;
case FETCH_SEND_PACK:
+ send_wanted_ref_info(&data);
send_shallow_info(&data);
packet_write_fmt(1, "packfile\n");
@@ -1438,12 +1452,22 @@ int upload_pack_advertise(struct repository *r,
{
if (value) {
int allow_filter_value;
+ int allow_ref_in_want;
+
strbuf_addstr(value, "shallow");
+
if (!repo_config_get_bool(the_repository,
"uploadpack.allowfilter",
&allow_filter_value) &&
allow_filter_value)
strbuf_addstr(value, " filter");
+
+ if (!repo_config_get_bool(the_repository,
+ "uploadpack.allowrefinwant",
+ &allow_ref_in_want) &&
+ allow_ref_in_want)
+ strbuf_addstr(value, " ref-in-want");
}
+
return 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 08:20:07 +0000